Analysis
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max time kernel
103s -
max time network
125s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
11/10/2022, 11:13
Static task
static1
Behavioral task
behavioral1
Sample
50c863f01cf040750231d954e73dcbf6.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
50c863f01cf040750231d954e73dcbf6.exe
Resource
win10v2004-20220901-en
General
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Target
50c863f01cf040750231d954e73dcbf6.exe
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Size
956KB
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MD5
50c863f01cf040750231d954e73dcbf6
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SHA1
437b60ba372e8106c1495a52607d5c90247ab399
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SHA256
afae56ccb5ceb87d28c33dcf87270f668300cc79f42756759844f664f67b933e
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SHA512
d54e114410c8cfafd7c5884c0839f22d0b4acf038838e11d4e39932ed4a6165c06a047e374de417b085fd5951cad50570d1f50e9714924e7f0093af06a1847ab
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SSDEEP
12288:alwFO44sKWlsagPFlSQ28++nXejVQiSkN0m6jZUAQSQy4A:I44sKWcPFR2eXamqAtQy4A
Malware Config
Extracted
snakekeylogger
Protocol: smtp- Host:
us2.smtp.mailhostbox.com - Port:
587 - Username:
[email protected] - Password:
bscppiX6 - Email To:
[email protected]
Signatures
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Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
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Snake Keylogger payload 6 IoCs
resource yara_rule behavioral1/memory/916-67-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/916-69-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/916-70-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/916-71-0x000000000042013E-mapping.dmp family_snakekeylogger behavioral1/memory/916-73-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/916-75-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger -
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
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Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
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Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 50c863f01cf040750231d954e73dcbf6.exe Key opened \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 50c863f01cf040750231d954e73dcbf6.exe Key opened \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 50c863f01cf040750231d954e73dcbf6.exe -
Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 4 checkip.dyndns.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1996 set thread context of 916 1996 50c863f01cf040750231d954e73dcbf6.exe 31 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 2008 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 10 IoCs
pid Process 1996 50c863f01cf040750231d954e73dcbf6.exe 1996 50c863f01cf040750231d954e73dcbf6.exe 1996 50c863f01cf040750231d954e73dcbf6.exe 1996 50c863f01cf040750231d954e73dcbf6.exe 1996 50c863f01cf040750231d954e73dcbf6.exe 1996 50c863f01cf040750231d954e73dcbf6.exe 1996 50c863f01cf040750231d954e73dcbf6.exe 1996 50c863f01cf040750231d954e73dcbf6.exe 916 50c863f01cf040750231d954e73dcbf6.exe 836 powershell.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 1996 50c863f01cf040750231d954e73dcbf6.exe Token: SeDebugPrivilege 916 50c863f01cf040750231d954e73dcbf6.exe Token: SeDebugPrivilege 836 powershell.exe -
Suspicious use of WriteProcessMemory 17 IoCs
description pid Process procid_target PID 1996 wrote to memory of 836 1996 50c863f01cf040750231d954e73dcbf6.exe 27 PID 1996 wrote to memory of 836 1996 50c863f01cf040750231d954e73dcbf6.exe 27 PID 1996 wrote to memory of 836 1996 50c863f01cf040750231d954e73dcbf6.exe 27 PID 1996 wrote to memory of 836 1996 50c863f01cf040750231d954e73dcbf6.exe 27 PID 1996 wrote to memory of 2008 1996 50c863f01cf040750231d954e73dcbf6.exe 29 PID 1996 wrote to memory of 2008 1996 50c863f01cf040750231d954e73dcbf6.exe 29 PID 1996 wrote to memory of 2008 1996 50c863f01cf040750231d954e73dcbf6.exe 29 PID 1996 wrote to memory of 2008 1996 50c863f01cf040750231d954e73dcbf6.exe 29 PID 1996 wrote to memory of 916 1996 50c863f01cf040750231d954e73dcbf6.exe 31 PID 1996 wrote to memory of 916 1996 50c863f01cf040750231d954e73dcbf6.exe 31 PID 1996 wrote to memory of 916 1996 50c863f01cf040750231d954e73dcbf6.exe 31 PID 1996 wrote to memory of 916 1996 50c863f01cf040750231d954e73dcbf6.exe 31 PID 1996 wrote to memory of 916 1996 50c863f01cf040750231d954e73dcbf6.exe 31 PID 1996 wrote to memory of 916 1996 50c863f01cf040750231d954e73dcbf6.exe 31 PID 1996 wrote to memory of 916 1996 50c863f01cf040750231d954e73dcbf6.exe 31 PID 1996 wrote to memory of 916 1996 50c863f01cf040750231d954e73dcbf6.exe 31 PID 1996 wrote to memory of 916 1996 50c863f01cf040750231d954e73dcbf6.exe 31 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 50c863f01cf040750231d954e73dcbf6.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 50c863f01cf040750231d954e73dcbf6.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\50c863f01cf040750231d954e73dcbf6.exe"C:\Users\Admin\AppData\Local\Temp\50c863f01cf040750231d954e73dcbf6.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1996 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\PjbacYqRQ.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:836
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\PjbacYqRQ" /XML "C:\Users\Admin\AppData\Local\Temp\tmp710C.tmp"2⤵
- Creates scheduled task(s)
PID:2008
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C:\Users\Admin\AppData\Local\Temp\50c863f01cf040750231d954e73dcbf6.exe"C:\Users\Admin\AppData\Local\Temp\50c863f01cf040750231d954e73dcbf6.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:916
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
1KB
MD5ed1e1427223b0ad8b165de5c6c92a121
SHA134781f5919603dcdf488b92b16fdccdac415bfef
SHA25686e295eab7df9e3b4d3f54f58758d14e4ddbe90a4110823f01ba321585939afe
SHA512eccbed01d3f533349f3d9aa2b00a2f91930675222790122613ca61dab24b84d5d3ac87932c2c91a0637550c26647fb78e2c70420fe7c0a026e701f604b99f742